89855980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3994

約数の個数: 48

約数和(自身を含む): 200100096

約数和(自身を除く): 110244116

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 3917, 4588, 5735, 7834, 11470, 15668, 19585, 22940, 39170, 78340, 121427, 144929, 242854, 289858, 485708, 579716, 607135, 724645, 1214270, 1449290, 2428540, 2898580, 4492799, 8985598, 17971196, 22463995, 44927990, 89855980]

約数ペア:

[(1, 89855980), (2, 44927990), (4, 22463995), (5, 17971196), (10, 8985598), (20, 4492799), (31, 2898580), (37, 2428540), (62, 1449290), (74, 1214270), (124, 724645), (148, 607135), (155, 579716), (185, 485708), (310, 289858), (370, 242854), (620, 144929), (740, 121427), (1147, 78340), (2294, 39170), (3917, 22940), (4588, 19585), (5735, 15668), (7834, 11470)]